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Zodiac Brief

Fabric Guide Size Guide

Women's Size Chart

Click here to learn more about our different fits and how to choose the size that's right for you.

We strive to make all our products true to size. The sizing chart below is not garment specific, but hopefully, it will give you some guidance when choosing your size. In instances where you’re perhaps in between two sizes try choosing the smaller size.

For further assistance with sizing, contact us here.

 

XS

S

M

L

XL

Australian

6-8

8-10

10-12

12-14

14-16

US

2-4

4-6

6-8

8-10

10-12

European

34-36

36-38

38- 40

40-42

42-44

 

 

 

BUST

WAIST

HIPS 

XS

inches

29.5–32.5

23.5–26

33–35.5

cm

75-82.5

60-66

83.5-90

S

inches

32.5–35.5

26–29

35.5–38.5

cm

82.5-90

66-73.5

90-97.5

M

inches

35.5–38

29–31.5

38.5–41

cm

90-96.5

73.5-80

97.5-104

L

inches

38–41

31.5–34.5

41–44

cm

96.5-104

80-87.5

104 -111.5

XL

inches

41–44.5

34.5–38.5

44–47

cm

104-113

87.5-94.5

111.5-119.5

XXL

inches

44.5–48.5

38.5–42.5

47–50

cm

113-123

97.5-108

119-127

 

Stride Tracksuit pants

Measurements include the ankle cuff. Please keep in mind the style of these pants is slightly drop crotch. 
Outside leg measurement includes waist band.

Measurements in cm. 

 

XS

S

M

L

XL

Outside Leg

94.3

96.1

97.9

99.7

101.5

Inside Leg

66.4

67.6

68.8

70

71.2

 

Socks

Sizes give in US shoes sizes 

S 5.5 - 6.5
7 - 9
L 10 - 12
XL 13+

 

 

or make 4 interest-free payments of $7.00 fortnightly with More info

Black
Stripe Blue/Oatmeal
Waterfall
Orange
Grey
XS
S
M
L
XL

Some people completely overlook underwear as the foundation of layering. Big mistake. If you haven't already tried our Women's Zodiac Merino Wool Underwear, you're well and truly missing out. Rest assured, they're every bit as soft, lightweight, warm and comfortable as the rest of our high performance thermal layers. 

Enjoy the hipster fit, full coverage brief that stays put, never gathering or moving, ensuring a comfortable fit all day long. Tag free labels, flat lock stitching and a flexible and ultra-soft ioMerino elasticated waist band help eliminate chafe and maximize comfort.

Model wears size small.

Boy brief style. Hipster fit. Full seat coverage. Flattering low leg line that will keep you comfortable all day. 

Everything!

170gsm lightweight

96% superfine Australian Merino

4% Elastane - for an easy all-way stretch.

MicroMerino®  Fabric. 





Customer Reviews

Based on 11 reviews
91%
(10)
9%
(1)
0%
(0)
0%
(0)
0%
(0)
A
A.C.

So comfy, no itches, the first pairs I bought lasted winters for 8? years, so also durable! Thanks I/O!!

Hi Anne, thanks so much for leaving a review on your new underwear. Great to hear you've had such good wear out of your other pairs! You should try the matching crop, I hear they're amazing too!
C
C.
So good

My husband has singlets and boxers and wears them all year round as he is old and has a blood disease and your product keeps him cool in the summer and warm in the winter ,so I decided I would buy myself some briefs as well and I also am happy with the comfort and how well they wash with being constantly in the wash they are wonderful.

Hi Coralie, Thank you for your review. I'm glad to hear both you and your husband and loving your ioMerino!
C
C.S.
The best!

Very comfy summer or winter!

B
B.B.
The only undies I own

I. LOVE. THESE.
they are the only type of undies I own now. They are super comfy and they never ride up.
The sizing can be a little inconsistent and seems to vary between colours and years.

J
J.N.
Comfy

Lovely fit

E
E.

Super comfy and certainly noticed better temperature regulation when wearing for running or even with dresses on warm days

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Fabric Guide

While Merino is an amazing natural fibre, not all Merino fabrics are created equal. At ioMerino, we make our own fabrics, using only the best quality fibres, and to very specific specifications that make the most of the natural benefits of Merino. All of them are 'Merino rich’. No cheap blends passed off as Merino. No cheaper scratchy fibres or synthetic substitutes to save money. No unethical production. And each fabric is made for a specific purpose. So if you see something with a small amount of elastase or nylon added, you can be sure it absolutely needs to be there to enhance the natural stretch and durability. 

It took every bit of our 140 years of experience in the wool industry to perfect our fabrics, but we think you’ll agree the end result was more than worth the effort.

Ethically Made. Ethically Sourced. Perfectly Natural. 

 

Altitude / Zodiac

Lightweight 170gsm 96% Australian Merino Wool with 4% elastane for extra stretch and comfort. A MicroMerino® Fabric. 

 

Ultra / Universal

Lightweight 160gsm 83% Australian Merino Wool blended with 12% nylon blended for extra durability and 5% Elastane for stretch and comfort.

 

Chaser

Midweight 265gsm 96% Australian Merino Wool with 4% elastane for extra stretch and comfort. A MicroMerino® Fabric. 

 

Summerino - Keystone 

Ultra Lightweight 150gsm 100% Australian Merino Wool. A MicroMerino® Fabric. 

 

Merino Compression

Midweight 280gsm 76% Australian Merino Wool, 15% Elastane and 9% Nylon for extra stretch and compression properties.

 

Vital

Ultra lightweight ribbed 155gsm 100% Australian Merino Wool. A MicroMerino®  Fabric. 

 

Summit

Outer Weight 280gsm Fleece 100% Australian Merino Wool. MicroMerino®  Fabric. 

 

Pinnacle

Midweight 260gsm 100% Australian Merino Wool. A MicroMerino®  Fabric. 

 

Elemental 

Midweight 260gsm waffle texture 100% Australian Merino Wool. A MicroMerino®  Fabric. 

 

Stride / Glacier / Velocity

Midweight 255gsm French Terry 100% Australian Merino Wool. A MicroMerino®  Fabric. 

 

Natural Merino Wool benefits: